12205004219 has 2 divisors, whose sum is σ = 12205004220. Its totient is φ = 12205004218.

The previous prime is 12205004213. The next prime is 12205004221. The reversal of 12205004219 is 91240050221.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12205004219 is a prime.

It is a super-2 number, since 2×12205004219² (a number of 21 digits) contains 22 as substring.

Together with 12205004221, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12205004213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6102502109 + 6102502110.

It is an arithmetic number, because the mean of its divisors is an integer number (6102502110).

Almost surely, 2^12205004219 is an apocalyptic number.

12205004219 is a deficient number, since it is larger than the sum of its proper divisors (1).

12205004219 is an equidigital number, since it uses as much as digits as its factorization.

12205004219 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 26.

The spelling of 12205004219 in words is "twelve billion, two hundred five million, four thousand, two hundred nineteen".